- Designed & Tested to Protect
- Leaf Specification
- Production Sizes
- Frame Specification
The fire resistant steel door is designed to protect personnel and property from the spread of flames and smoke for up to 2 hours. The doors are designed to be fitted in internal and external applications in a variety of wall constructions. The doors are suitable for any building type where fire protection is paramount. Our steel door construction can offer inherent benefits above and beyond that expected from traditional timber doors; strength, security and durability extended fire resistance. They will not rot or support infestation by vermin or insects.
We take testing and third party assessment and validation of the performance of our fire resisting doors as of the utmost importance. Our door has been tested in the United Kingdom to BS 476 Part 20 & 22 at WFRC.
The door leaf is constructed from two skins of 1.2mm aluzinc steel folded around a rigid resin impregnated cellular core to form a 48mm thick, flush door leaf. The door leaf is of a non weld construction that performs excellently under fire conditions and offers a long life expectancy. Each leaf is prepared with our universal lock preparation that will accept all ASSA, ABLOY, Din Std and UK Std lock case as long as third party evidence can be provided of the locks fire performance.
Doors are supplied in grey primer finish for on site painting as standard however both wet spray and powder coat finishes are also available at extra cost.
Each and every door is custom made. The maximum size is 1250mm wide as a single and 2500mm as a double with a maximum height for each of 2500mm in a single leaf (This does not include overpanels etc) with infill panels for taller ones. The doors can also be supplied with side or overpanels which can be glazed, solid or louvred.
The door frame leaf is constructed from 1.5mm mild steel formed into our standard 89mm deep single rebate frame. A 250mm double rebate for cross cavity fitting is available as an optional extra. The Frame is fitted with 3No template drilled CE marked, Class 13 SSS hinges complete with security dog bolts. Each side of the frame is complete with 4 fixing points with rapid fit adjustable feet instead of awkward shims. The frame complete with our unique expandable sub frame to ensure a precision fit to your structure. Wrap around and other custom frame profiles are available additional cost.
Doors are supplied with one Din Std latch and pair of 19mm round bar SSS levers with Arrow fire rated Door closer as standard. This is the minimum requirement to achieve the 2 hour fire resistance. The doors can be offered with other locks such as ASSA or Abloy as long as third party assessment of the performance of the hardware for steel doors. We can also offer the doors with Briton Panic Furniture which has been tested to four hours. Other hardware can be used but may need to be individually assessed. Components i.e. endplates and the barrel support brackets. All concrete/masonry elements must be designed in accordance with B.S.5628: Part3: 1985 (code of practice for masonry) and have a density > 600kg/ m³ . Lintels spanning the structural opening should comply with B.S.8110 (structural use of concrete): Part1: 1997 (code of design for design and construction).